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<p>Reports local variables referenced before assignment.</p>
<p><b>Example:</b></p>
<pre><code>
x = 0
if x > 10:
    b = 3
print(b)
</code></pre>
<p>The IDE reports a problem for <code>print(b)</code>. A possible fix is:</p>
<pre><code>
x = 0
if x > 10:
    b = 3
    print(b)
</code></pre>
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